Exemple #1
0
void
TrackMarker::setKeyFrameOnCenterAndPatternAtTime(int time)
{
    KnobDoublePtr center = _imp->center.lock();

    for (int i = 0; i < center->getDimension(); ++i) {
        double v = center->getValueAtTime(time, i);
        center->setValueAtTime(time, v, ViewSpec::all(), i);
    }

    KnobDoublePtr patternCorners[4] = {_imp->patternBtmLeft.lock(), _imp->patternTopLeft.lock(), _imp->patternTopRight.lock(), _imp->patternBtmRight.lock()};
    for (int c = 0; c < 4; ++c) {
        KnobDoublePtr k = patternCorners[c];
        for (int i = 0; i < k->getDimension(); ++i) {
            double v = k->getValueAtTime(time, i);
            k->setValueAtTime(time, v, ViewSpec::all(), i);
        }
    }
}
Exemple #2
0
TEST_F(BaseTest, SetValues)
{
    NodePtr generator = createNode(_generatorPluginID);

    assert(generator);
    KnobIPtr knob = generator->getKnobByName("noiseZSlope");
    KnobDoublePtr radius = boost::dynamic_pointer_cast<KnobDouble>(knob);
    EXPECT_TRUE(radius != 0);
    if (!radius) {
        return;
    }
    radius->setValue(0.5);
    EXPECT_TRUE(radius->getValue() == 0.5);

    //Check that linear interpolation is working as intended
    KeyFrame kf;
    radius->setInterpolationAtTime(eCurveChangeReasonInternal, ViewSpec::all(),  0, 0, eKeyframeTypeLinear, &kf);
    radius->setValueAtTime(0, 0., ViewSpec::all(), 0);
    radius->setValueAtTime(100, 1., ViewSpec::all(), 0);
    for (int i = 0; i <= 100; ++i) {
        double v = radius->getValueAtTime(i);
        EXPECT_TRUE(std::abs(v - i / 100.) < 1e-6);
    }
}
Exemple #3
0
bool
TrackMarkerPM::trackMarker(bool forward,
                           int refFrame,
                           int frame)
{
    KnobButtonPtr button;

    if (forward) {
        button = trackNextButton.lock();
    } else {
        button = trackPrevButton.lock();
    }
    KnobIntPtr refFrameK = refFrameKnob.lock();
    refFrameK->setValue(refFrame);

    // Unslave the center knob since the trackerNode will update it, then update the marker center
    KnobDoublePtr center = centerKnob.lock();
    center->unlink(DimSpec::all(), ViewSetSpec::all(), true);

    trackerNode->getEffectInstance()->onKnobValueChanged_public(button, eValueChangedReasonUserEdited, TimeValue(frame), ViewIdx(0));

    KnobDoublePtr markerCenter = getCenterKnob();
    // The TrackerPM plug-in has set a keyframe at the refFrame and frame, copy them
    bool ret = true;
    double centerPoint[2];
    for (int i = 0; i < center->getNDimensions(); ++i) {
        {
            int index = center->getKeyFrameIndex(ViewIdx(0), DimIdx(i), TimeValue(frame));
            if (index != -1) {
                centerPoint[i] = center->getValueAtTime(TimeValue(frame), DimIdx(i));
                markerCenter->setValueAtTime(TimeValue(frame), centerPoint[i], ViewSetSpec::all(), DimIdx(i));
            } else {
                // No keyframe at this time: tracking failed
                ret = false;
                break;
            }
        }
        {
            int index = center->getKeyFrameIndex(ViewIdx(0), DimIdx(i), TimeValue(refFrame));
            if (index != -1) {
                double value = center->getValueAtTime(TimeValue(refFrame), DimIdx(i));
                markerCenter->setValueAtTime(TimeValue(refFrame), value, ViewSetSpec::all(), DimIdx(i));
            }
        }
    }

    // Convert the correlation score of the TrackerPM to the error
    if (ret) {
        KnobDoublePtr markerError = getErrorKnob();
        KnobDoublePtr correlation = correlationScoreKnob.lock();
        {
            int index = correlation->getKeyFrameIndex(ViewIdx(0), DimIdx(0), TimeValue(frame));
            if (index != -1) {
                // The error is estimated as a percentage of the correlation across the number of pixels in the pattern window
                KnobDoublePtr  pBtmLeft = patternBtmLeftKnob.lock();
                KnobDoublePtr  pTopRight = patternTopRightKnob.lock();
                Point btmLeft, topRight;

                btmLeft.x = pBtmLeft->getValueAtTime(TimeValue(frame), DimIdx(0));
                btmLeft.y = pBtmLeft->getValueAtTime(TimeValue(frame), DimIdx(1));

                topRight.x = pTopRight->getValueAtTime(TimeValue(frame), DimIdx(0));
                topRight.y = pTopRight->getValueAtTime(TimeValue(frame), DimIdx(1));


                double areaPixels = (topRight.x - btmLeft.x) * (topRight.y - btmLeft.y);
                NodePtr trackerInput = trackerNode->getInput(0);
                if (trackerInput) {
                    ImagePlaneDesc comps, paireComps;
                    trackerInput->getEffectInstance()->getMetadataComponents(-1, &comps, &paireComps);
                    areaPixels *= comps.getNumComponents();
                }

                double value = correlation->getValueAtTime(TimeValue(frame), DimIdx(0));

                // Convert to a percentage
                if (areaPixels > 0) {
                    value /= areaPixels;
                }

                markerError->setValueAtTime(TimeValue(frame), value, ViewSetSpec::all(), DimIdx(0));
            }
        }
    }

    if ( !center->linkTo(markerCenter) ) {
        throw std::runtime_error("Could not link center");
    }

    return ret;
} // TrackMarkerPM::trackMarker
Exemple #4
0
bool
TrackMarkerPM::trackMarker(bool forward,
                           int refFrame,
                           int frame)
{
    KnobButtonPtr button;

    if (forward) {
        button = trackNextButton.lock();
    } else {
        button = trackPrevButton.lock();
    }
    KnobIntPtr refFrameK = refFrameKnob.lock();
    refFrameK->setValue(refFrame);

    // Unslave the center knob since the trackerNode will update it, then update the marker center
    KnobDoublePtr center = centerKnob.lock();
    for (int i = 0; i < center->getDimension(); ++i) {
        center->unSlave(i, true);
    }

    trackerNode->getEffectInstance()->onKnobValueChanged_public(button, eValueChangedReasonNatronInternalEdited, frame, ViewIdx(0),
                                                                true);

    KnobDoublePtr markerCenter = getCenterKnob();
    // The TrackerPM plug-in has set a keyframe at the refFrame and frame, copy them
    bool ret = true;
    double centerPoint[2];
    for (int i = 0; i < center->getDimension(); ++i) {
        {
            int index = center->getKeyFrameIndex(ViewSpec::current(), i, frame);
            if (index != -1) {
                centerPoint[i] = center->getValueAtTime(frame, i);
                markerCenter->setValueAtTime(frame, centerPoint[i], ViewSpec::current(), i);
            } else {
                // No keyframe at this time: tracking failed
                ret = false;
                break;
            }
        }
        {
            int index = center->getKeyFrameIndex(ViewSpec::current(), i, refFrame);
            if (index != -1) {
                double value = center->getValueAtTime(refFrame, i);
                markerCenter->setValueAtTime(refFrame, value, ViewSpec::current(), i);
            }
        }
    }

    // Convert the correlation score of the TrackerPM to the error
    if (ret) {
        KnobDoublePtr markerError = getErrorKnob();
        KnobDoublePtr correlation = correlationScoreKnob.lock();
        {
            int index = correlation->getKeyFrameIndex(ViewSpec::current(), 0, frame);
            if (index != -1) {
                // The error is estimated as a percentage of the correlation across the number of pixels in the pattern window
                KnobDoublePtr  pBtmLeft = patternBtmLeftKnob.lock();
                KnobDoublePtr  pTopRight = patternTopRightKnob.lock();
                Point btmLeft, topRight;

                btmLeft.x = pBtmLeft->getValueAtTime(frame, 0);
                btmLeft.y = pBtmLeft->getValueAtTime(frame, 1);

                topRight.x = pTopRight->getValueAtTime(frame, 0);
                topRight.y = pTopRight->getValueAtTime(frame, 1);


                double areaPixels = (topRight.x - btmLeft.x) * (topRight.y - btmLeft.y);
                NodePtr trackerInput = trackerNode->getInput(0);
                if (trackerInput) {
                    ImageComponents comps = trackerInput->getEffectInstance()->getComponents(-1);
                    areaPixels *= comps.getNumComponents();
                }

                double value = correlation->getValueAtTime(frame, 0);

                // Convert to a percentage
                value /= areaPixels;

                markerError->setValueAtTime(frame, value, ViewSpec::current(), 0);
            }
        }
    }

    for (int i = 0; i < center->getDimension(); ++i) {
        center->slaveTo(i, markerCenter, i);
    }

    return ret;
} // TrackMarkerPM::trackMarker